Test and Technology Center Immendingen: Did you know that...

… the layout of the TTC was created by Formula 1 circuit designer Hermann Tilke? Among others, this motorsport enthusiast and construction engineer designed the F1 circuits in Malaysia, Bahrain, Shanghai, Abu Dhabi, Austin, Sochi and Baku in recent years.

… a Unimog U 430 on the rough track and soiling stretch ensures that the measurement stretch is always in the same, poor condition? A bulldozer blade at the front with a spraying system helps to smooth the test track as required. At the rear, the 300 hp Unimog implement carrier has a scarifier to loosen up sections of track that have become too compressed.

… Mercedes-Benz examined a total of 120 potential locations for the new Test Center? Twelve made it to the final shortlist. In 2011 the decision was made in favour of Immendingen, a garrison town since 1958. At peak times up to 2000 soldiers and civilian employees performed their service at the Schreiber Barracks in Immendingen as part of the Franco-German Brigade and German army service center.

… South Korea borders on Switzerland? Such unusual geographical juxtapositions came about when the layout in Immendingen was designed. For example, to test how well the vehicle's cameras are able to cope with different road markings or versions of guard rails, these are in country-specific form in the individual sections.

… the access roads to the test modules and other stretches on the test site have different asphalt surfaces on the left and right? Usually the surface is in good condition on one side, while on the other it has been prepared with potholes and many other defects typically encountered in many countries.

… the Test and Technology Center Immendingen is an official annex of the world's largest Daimler research & development location in Sindelfingen? This was agreed between the works council and the company. It ensures that Immendingen will operate as a corporate Daimler location.

the 'Heath endurance test" has long since ceased to take place on the Lüneburg Heath? The 'Heath endurance test" at Mercedes-Benz has a history stretching back more than 60 years. It began in the 1950s, on particularly poor roads on the Lüneburg Heath. Later the same name was given to the rough stretches on test tracks in Untertürkheim and Sindelfingen. This is because they were scale replicas of the traditional torture route on the Heath. Test rigs were also controlled by data stored during such tests. In future this endurance test will also be conducted in Immendingen.

… the banked curves of the oval circuit can be negotiated with hands off the wheel at 160 (south curve) and 135 km/h (north curve) in the upper, third lane? This is because there are no lateral forces acting on the tyres, and the vehicle follows the bend without any steering impulses. In the process the driver is forced into the seat by several times his/her bodyweight.

… in future driverless Mercedes-Benz Arocs trucks will clear snow away at the TTC? The automated winter service is a platoon operation. The Arocs test vehicles are equipped with the Remote Truck Interface (RTI), an in-vehicle interface with which vehicle functions can be remotely controlled and data exchanged. Via the RTI, all the vehicles are fully networked by telematic systems, drive in automated mode and can either lead or follow the platoon. 

...noise-emitting test stretches are located so that there are natural sound barriers to protect the residential areas of Immendingen? For example, the embankments of the banked curves in the oval handling circuit provide an acoustic barrier – residents in the area will not be disturbed by squealing tyres when powerful vehicles are being tested.

… up to 90 percent of worldwide vehicle endurance tests can take place at the TTC in future? Owing to the altitude (800 m above sea level[1]), enough ice and snow is expected for winter trials in Sweden/Finland to be reduced in scope.

… a raindrop falling on the test site can end up both in the Atlantic and in the Black Sea? Water running out of the overflow basins of the TTC in heavy rainstorms flows into the Danube, which is visible from the site, and therefore to the Black Sea. However, on an average of 155 days of the year, the river's water subsides into sinkholes in the karstic substrate, and flows underground to the Aach basin twelve kilometres away. The river Aach is part of the tributary system of the Rhine, which flows into the North Sea.

[1] Sea level: fixed level from which altitude measurements are made

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